Examine source code of Tutorial Base Persona

{
  "theme": {
    "images": {
      "theme_frame": "tutorial_base_header.png"
    },
    "colors": {
      "frame": "#3a44b0",
      "tab_background_text": "#ad9595"
    }
  },
  "version": "2.0",
  "name": "Tutorial Base Persona",
  "manifest_version": 2,
  "description": "hello"
}